3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new stdClass(); $a->{0} = 'X'; $a->{1} = 'Y'; $x = unserialize(serialize($a)); $prop = 1; var_dump($x->$prop, $x->${"$prop"});
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $1 in /in/R8NTW on line 7 Warning: Undefined property: stdClass::$ in /in/R8NTW on line 7 string(1) "Y" NULL

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

preferences:
41.31 ms | 401 KiB | 8 Q